function parseNum( val )
{
    re = /,/g;
    return parseFloat( val.replace( re, '.' ) );
}

    
function numFormat( val )
{
    re = /\./g;
    bla = "" + Math.round( val * 100 ) / 100;
    if( bla == "NaN" )
        bla = ""
    return bla.replace( re, ',' );
}